The analyses and research are based on underground power house of Three Gorges Hydropower Station which has the specific background of engineering.
本文的分析与研究都基于三峡电源电站地下厂房工程，有明确的工程实践背景。
With the influence of so many cracks, the strength, stiffness and stability of the umbrella arch is decreased greatly, which endangers the operation of underground power house.
数目众多的纵、横向裂缝已大大削弱了混凝土顶拱的强度、刚度及稳定性，危及地下厂房的安全运行。
Some conclusions assumed from the research and design of Jiangkou power house is quite useful for all the underground Hydropower Station.
本文的观点和结论对地下厂房工程设计有着一定的普遍意义。
The layout of underground power house of Baise project is limited by the special geologic condition.
百色水利枢纽地下厂房布置受地质条件的限制性较强。
How to solve the problems of the safety and stability of the surrounding rock is a difficult point for the design and construction of Longtan Underground Power House.
如何解决好围岩的安全稳定是龙滩地下厂房设计和施工的难点问题。
Finally, the selection of underground power house axis and the lining design scheme for the pressure tunnel are discussed based on the in-situ stress.
最后从地应力角度，讨论地下厂房的轴线选择和高压隧洞衬砌设计方案。
Finally, the selection of underground power house axis and the lining design scheme for the pressure tunnel are discussed based on the in-situ stress.
最后从地应力角度，讨论地下厂房的轴线选择和高压隧洞衬砌设计方案。
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